knuckle buster

例句：

1. 1. 拳击手；拳击运动员2.
   用于比喻
2. 3.
   俚语
3. 1. He's a knuckle buster, always ready to tackle any challenge with his unwavering determination.
   他是一位拳击手，总是以坚定的决心迎接任何挑战。
4. 2. The knuckle buster has solved the company's biggest problem, saving us thousands of dollars in the process.
   这位能解决问题的人解决了公司最大的问题，在过程中节省了数千美元。
5. 3. She is considered a knuckle buster in her field, able to handle complex issues withease.
   她被认为是她的领域的一个能解决问题的人，能够轻松地处理复杂的问题。